An international team of researchers with Pascale Ehrenfreund from Leiden University has discovered that the dust particles of comet 67P/Churyumov–Gerasimenko are made up of even smaller particles. This discovery confirms that clumps of dust form the basis for comets and planets.

On Friday evening 17 September, Leiden astronomer Joe Callingham can be seen in a new series on Discovery channel. Killers of the Cosmos is about different deadly dangers lurking in the depths of space. Asteroids, cosmic debris, electromagnetic weapons… The show takes a film-noir approach to these threats,…

Chinese athletes must perform this Olympics. Anything less than a gold is being seen as athletes being unpatriotic by furious nationalists online. Florian Schneider, director of the Leiden Asia Centre, explains the situation on BBC News.

Leiden University's famous botanical garden offers a 50% reduction on entry tickets to participants during the conference.

Over the past few months we have seen some important developments in Brussels. It was in February that the Commission presented its ambitious project for the development of a Capital Markets Union (‘CMU’). The other major development in Europe considers the recast of the European Insolvency Regulation…

Rodrigues was asked to comment on the intention of certain Dutch political parties to examine whether the Netherlands, together with Denmark, could accommodate asylum seekers outside the EU, possibly in Rwanda.

Our researcher and PhD candidate Helena Ursic was interviewed with Druzina, one of the biggest weekly newspapers in Slovenia.

Of the 32 historic buildings that are opening their doors to the public on the Open Monument Days on 8 and 9 September, five are University buildings. The Hortus Botanicus is also open.

There is a crisis in the law concerning the accommodation of religious practice. The legal profession is demanding that the law be changed because it does not want religious institutions to have the 'right to discriminate'. The profession holds that evolving societal sexual norms can render lawful religious…

Alumnus Jelte Liemburg, aged 29, aims to visit every single one of the 500 museums in the Netherlands that take part in the national museum pass scheme.

The channel through which two cell components exchange material appears to form at the edge of their contact surface, and not in the middle. This was discovered by the Leiden physical chemists Jelger Risselada and Edgar Blokhuis together with researchers from the University of Lausanne in Switzerland.…

For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.

‘I got into Nature last year, I was nominated for a faculty teaching award and my kids don’t care. But if your simulations get on The Big Bang Theory then that’s something!’ says Huib van Langevelde.

Professor Joanita Vroom, together with the Royal Netherlands Institute in Rome (KNIR) offered the course Byzantine Rome in September 2023. The course, co-taught by Vroom, Letty ten Harkel and various guest lecturers, investigated the transition of the city of Rome from Late Antiquity to the Middle Ages,…

Legal protection. What do those involved in youth care and child protection understand by this concept? And what needs to change to improve legal protection? This question was explored by researchers from Leiden University’s Department of Child Law. Their research fits with the government’s ambition…

Leiden researchers from different disciplines look together at complex social problems. What happens when they join forces with artists? The results could be seen on Tuesday 11 June during a unique exhibition. Take a look for yourself:

The norms, institutions and power relations that have defined the last decades of international political and economic relations in the European Union are undergoing major transformations. With the return of competition between great and ambitious powers, like the US, China, EU and Russia, the need…

Astronomers from the Leiden Observatory and from the University of Rochester (in the US) have discovered that the planetary ring system that covered the very young sun-like star J1407 is actually of enormous proportions. In fact, it’s much larger and heavier than the ring system surrounding Saturn.…

PhD student Willem Noteborn has investigated supramolecular structures. These can be useful for the loading of medicines and signalling molecules regarding, for example, cellular differentiation. In his thesis, he describes the functioning of these structures.

Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…

That Tessa Schiethart finished her bachelor's degree in International Studies with a thesis on Indonesian women's reasons for veiling was a coincidence. Or so she thought. Six years later, her book Seeing and Being Seen, in which she writes about her life with a wine stain and vision loss, is in the…

Endangered languages can survive if they are taught properly to new speakers, such as people with a migrant background. This is what Professor by Special Appointment Felix Ameka will say in his inaugural lecture on 30 September. Dutch people can do their bit by being less ‘polite’ to people whose mother…

The Queens of the Nile exhibition at the National Museum of Antiquities finally affords the wives of the pharoahs the attention they deserve. Thanks to guest curator Olaf Kaper, students and PhD candidates gained valuable experience in museum curating.

Are all murderers calculating psychopaths with an obscene predilection for bloody chainsaws? Yes, if Hollywood is to be believed, but in the real world they are generally everyday people with problematic backgrounds. Professor of Violence and Interventions Marieke Liem therefore calls for the demythologisation…

Bob de Brabandere discovered his deep passion for cinema through a minor in Film and Theatre Studies. He currently serves as Assistant Manager at Bioscopen Leiden and as a programmer for the Leiden International Film Festival, which commences on 9 October.

PhD student Janine Westendorp and her colleagues conducted literature research on what patients with cancer and their loved ones perceive as harmful communication from healthcare providers. The results were published in the journal Psycho-Oncology and are released as a poster to distribute to healthcare…

You can find an overview of events organized by the Platform for Post-Colonial Readings below.

How can we promote social cohesion in a society that is culturally and religiously diverse?

This one-year master's programme explores the political and cultural evolution of the world from a long-term, and broad comparative perspective. This creates a better understanding of the entangled nature of today's society.

History of Inequality and Power provides you with an in-depth understanding of the past and present that will contribute to solving current societal problems.

The one-year Master's specialisation in Ancient History: Empires, Societies and Cultures offers an attractive mix of theoretical knowledge and practical experience.

A group of patients were given a guided tour of the larger than life Rembrandt canvases on University buildings around the Rapenburg canal. This was with the help of students from Present, a volunteer organisation, who pushed their wheelchairs over the bumpy cobblestones. The canvases are on show until…

The journal Philosophical Transactions of the Royal Society – Biological Sciences published its theme issue ‘Conflict across taxa’ on 4 April, which was edited by Professor of Social and Organisational Psychology Carsten de Dreu. Together with researchers from other disciplines he provides more insight…

That it was students who started the protests in China against its zero Covid policy makes things more dangerous for politicians. China expert Frank Pieke explains the role of students in China, what makes the protests unique and what might happen next.

Fascinating images, articles of clothing and other unique objects from the past four centuries of the history of Leiden University can now be seen in the ‘Celebrating Curiosity’ exhibition in the hall of Rapenburg 70.

An international team of astronomers has witnessed a cosmic weather event that has never been seen before.

How do classroom demonstration experiments help students learn chemical reasoning? Marie-Jetta den Otter, PhD student at ICLON, researched this. She defends her thesis on 6 December.

Sumerian is a dead language that is not related to any other language. Howeverr, Bram Jagersma managed to compile a grammar of the language, based on inscriptions and clay tablets. Traces of the Sumerian number system can still be seen in our sixty-minute hour. Jagersma received his PhD on 4 Novembe…

Leiden's cultural anthropologist Anouk de Koning is receiving a Vici research grant for her project ‘Prototyping Welfare in Europe: Experiments in State and Society’ to study welfare experiments in four countries and to examine what they tell us about the futures of European welfare states.

An international team of astronomers, including Leiden’s Christian Ginski, has discovered previously unobserved structures in a debris disk around a nearby star. Article published in Nature on 8 October.

Terracotta pottery, precious ikat fabrics and the bazaars where these goods are sold: all these can be seen in a new Louvre film premiering on Friday 9 December. University lecturer Elena Paskaleva collaborated on the film Uzbekistan a timeless journey in Central Asia about Uzbek artefacts.

De Universiteit Leiden is al 25 jaar stevig geworteld in Den Haag. Dat werd zichtbaar tijdens de feestelijke bijeenkomst rondom de foto-expositie Universiteit Leiden in Den Haag: Onderzoekers van de stad.

A series of upcoming activities by docARTES researchers Niels Berentsen, Bobby Mitchell, Shaya Feldman, and PhDArts researchers Jonas Staal, Riccardo Giacconi, Yota Ioannidou, and Brigitte Kovacs

Keep improving: that’s the philosophy of LEAN, a method to tackle practical problems at the workplace yourself. After a successful start in 2017, in 2019 a third group started working with the LEAN training in self-selected improvement trajectories. In October the participants received their diploma.…

Dutch people are proud of the fact that genever, their national drink, was the prototype for gin, the now so fashionable British spirit. And Leiden people are proud of their Professor Sylvius, who invented genever in the seventeenth century. But is this really true?

Roel Wouters (24), a biology student at Leiden University, is a finalist in the election for UN youth delegate for Biodiversity and Food. The digital polls open for a week on Friday 22 October. Under-30s can vote for Roel at www.stemroel.nl.

As part of the final project for the Islam in South and Southeast Asia course (taught by Dr Verena Meyer), students were tasked with creating podcasts that delve into significant cultural and historical topics related to the region. Two students, Roma Bhiekhemsing and Shaneeva Bean, have chosen to share…